Dec 13 03:08:49.882 INFO testing singaraiona/slab against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 03:08:49.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 03:08:50.227 INFO [stdout] a95872bdbcebd6a7481afee272a0f53c58d7f5d2ae241f75bc425dec79feab5a
Dec 13 03:08:50.229 INFO running `"docker" "start" "-a" "a95872bdbcebd6a7481afee272a0f53c58d7f5d2ae241f75bc425dec79feab5a"`
Dec 13 03:08:51.146 INFO [stderr] usermod: no changes
Dec 13 03:08:51.219 INFO [stderr]    Compiling slab v0.1.0 (/source)
Dec 13 03:08:51.405 INFO [stderr] warning: unused import: `std::fmt`
Dec 13 03:08:51.405 INFO [stderr]  --> src/heap.rs:1:5
Dec 13 03:08:51.405 INFO [stderr]   |
Dec 13 03:08:51.405 INFO [stderr] 1 | use std::fmt;
Dec 13 03:08:51.405 INFO [stderr]   |     ^^^^^^^^
Dec 13 03:08:51.405 INFO [stderr]   |
Dec 13 03:08:51.405 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 03:08:51.405 INFO [stderr] 
Dec 13 03:08:51.405 INFO [stderr] warning: unused import: `Level`
Dec 13 03:08:51.407 INFO [stderr]  --> src/main.rs:4:16
Dec 13 03:08:51.407 INFO [stderr]   |
Dec 13 03:08:51.407 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 13 03:08:51.407 INFO [stderr]   |                ^^^^^
Dec 13 03:08:51.407 INFO [stderr] 
Dec 13 03:08:51.506 INFO [stderr] warning: function is never used: `str2key`
Dec 13 03:08:51.506 INFO [stderr]  --> src/main.rs:7:1
Dec 13 03:08:51.506 INFO [stderr]   |
Dec 13 03:08:51.506 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 13 03:08:51.506 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 03:08:51.506 INFO [stderr]   |
Dec 13 03:08:51.506 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 03:08:51.506 INFO [stderr] 
Dec 13 03:08:51.506 INFO [stderr] warning: function is never used: `test_env`
Dec 13 03:08:51.506 INFO [stderr]   --> src/main.rs:16:1
Dec 13 03:08:51.506 INFO [stderr]    |
Dec 13 03:08:51.506 INFO [stderr] 16 | fn test_env() {
Dec 13 03:08:51.506 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 13 03:08:51.506 INFO [stderr] 
Dec 13 03:08:51.907 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 13 03:08:51.908 INFO [stderr] su: No module specific data is present
Dec 13 03:08:52.304 INFO running `"docker" "inspect" "a95872bdbcebd6a7481afee272a0f53c58d7f5d2ae241f75bc425dec79feab5a"`
Dec 13 03:08:52.508 INFO running `"docker" "rm" "-f" "a95872bdbcebd6a7481afee272a0f53c58d7f5d2ae241f75bc425dec79feab5a"`
Dec 13 03:08:52.681 INFO [stdout] a95872bdbcebd6a7481afee272a0f53c58d7f5d2ae241f75bc425dec79feab5a
Dec 13 03:08:52.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 03:08:52.941 INFO [stdout] fcace146dad5455d3751db8de5674c444cb2f8e47099588350c027f6e6994b73
Dec 13 03:08:52.943 INFO running `"docker" "start" "-a" "fcace146dad5455d3751db8de5674c444cb2f8e47099588350c027f6e6994b73"`
Dec 13 03:08:53.491 INFO [stderr] usermod: no changes
Dec 13 03:08:53.519 INFO [stderr]    Compiling slab v0.1.0 (/source)
Dec 13 03:08:53.699 INFO [stderr] warning: unused import: `std::fmt`
Dec 13 03:08:53.699 INFO [stderr]  --> src/heap.rs:1:5
Dec 13 03:08:53.699 INFO [stderr]   |
Dec 13 03:08:53.699 INFO [stderr] 1 | use std::fmt;
Dec 13 03:08:53.699 INFO [stderr]   |     ^^^^^^^^
Dec 13 03:08:53.699 INFO [stderr]   |
Dec 13 03:08:53.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 03:08:53.699 INFO [stderr] 
Dec 13 03:08:53.699 INFO [stderr] warning: unused import: `Level`
Dec 13 03:08:53.699 INFO [stderr]  --> src/main.rs:4:16
Dec 13 03:08:53.699 INFO [stderr]   |
Dec 13 03:08:53.699 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 13 03:08:53.699 INFO [stderr]   |                ^^^^^
Dec 13 03:08:53.699 INFO [stderr] 
Dec 13 03:08:53.799 INFO [stderr] warning: function is never used: `str2key`
Dec 13 03:08:53.799 INFO [stderr]  --> src/main.rs:7:1
Dec 13 03:08:53.799 INFO [stderr]   |
Dec 13 03:08:53.799 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 13 03:08:53.799 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 03:08:53.799 INFO [stderr]   |
Dec 13 03:08:53.799 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 03:08:53.799 INFO [stderr] 
Dec 13 03:08:53.799 INFO [stderr] warning: function is never used: `test_env`
Dec 13 03:08:53.799 INFO [stderr]   --> src/main.rs:16:1
Dec 13 03:08:53.799 INFO [stderr]    |
Dec 13 03:08:53.799 INFO [stderr] 16 | fn test_env() {
Dec 13 03:08:53.799 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 13 03:08:53.799 INFO [stderr] 
Dec 13 03:08:54.091 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 13 03:08:54.095 INFO [stderr] su: No module specific data is present
Dec 13 03:08:54.396 INFO running `"docker" "inspect" "fcace146dad5455d3751db8de5674c444cb2f8e47099588350c027f6e6994b73"`
Dec 13 03:08:54.539 INFO running `"docker" "rm" "-f" "fcace146dad5455d3751db8de5674c444cb2f8e47099588350c027f6e6994b73"`
Dec 13 03:08:54.715 INFO [stdout] fcace146dad5455d3751db8de5674c444cb2f8e47099588350c027f6e6994b73
Dec 13 03:08:54.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 03:08:55.079 INFO [stdout] b00deb9812e5d1b3292190740193f79361dc13206b38106434820ea8ca9b52ca
Dec 13 03:08:55.085 INFO running `"docker" "start" "-a" "b00deb9812e5d1b3292190740193f79361dc13206b38106434820ea8ca9b52ca"`
Dec 13 03:08:56.321 INFO [stderr] usermod: no changes
Dec 13 03:08:56.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 03:08:56.371 INFO [stderr]      Running /target/debug/deps/slab-07928582f0e53fb8
Dec 13 03:08:56.371 INFO [stdout] 
Dec 13 03:08:56.371 INFO [stdout] running 0 tests
Dec 13 03:08:56.371 INFO [stdout] 
Dec 13 03:08:56.371 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:08:56.371 INFO [stdout] 
Dec 13 03:08:56.372 INFO [stderr] su: No module specific data is present
Dec 13 03:08:57.055 INFO running `"docker" "inspect" "b00deb9812e5d1b3292190740193f79361dc13206b38106434820ea8ca9b52ca"`
Dec 13 03:08:57.283 INFO running `"docker" "rm" "-f" "b00deb9812e5d1b3292190740193f79361dc13206b38106434820ea8ca9b52ca"`
Dec 13 03:08:57.475 INFO [stdout] b00deb9812e5d1b3292190740193f79361dc13206b38106434820ea8ca9b52ca